RC Car & Truck Econo Power bearing kits are the most affordable way to replace stock bearings with high quality standard bearings. Boca's Econo Power RC Bearings have long been the industry standard for backyard bashers the world over. These bearings have chrome steel races, balls, retainers and shields. All Econo Power bearings are packed in grease and will require a short break in period to loosen up.
Tamiya Ta04 Upgrade Electric On Road Econo Power Bearings - B00DBDKO7C